NPPES file of Aug 9, 2026

Chelsea Marie Vielhauer, MSW, LCSW

Clinical Social Worker · El Segundo, CA

Chelsea Marie Vielhauer, MSW, LCSW is a clinical social worker with a practice address in El Segundo, California, and NPI 1912682840, issued on Jun 19, 2023. Check the license (California LCSW114678, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912682840
Name
Chelsea Marie Vielhauer
Credential
MSW, LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCSW114678 CA
Self-reported in NPPES; status is on the state search
Practice location
400 Continental Blvd, El Segundo, CA 90245
Phone
(310) 648-0700
Enumerated
Jun 19, 2023
Record last updated
Apr 11, 2026
Medicare enrollment
Enrolled (PECOS I20260112003444); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 400 Continental Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicole Brittsan, LMFT,APCCMarriage & Family Therapist1447983119

Verify Chelsea Marie Vielhauer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license LCSW114678
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Moona Medical Group OF California PCSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chelsea Marie Vielhauer among 36,261 clinical social worker records in California

Chelsea Marie Vielhauer, MSW, LCSW is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 86% of them.

  • NPI issued2023 · 86% of these records are older, 10% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2020 · median 2012 among the 4,008 with a school on file
  • Record last updated2026 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 clinical social worker records list a practice address in El Segundo

They are 19 of the 5,178 NPPES records with a practice address in El Segundo, and 36,261 clinical social worker records in California.

The 8 clinical social worker records with the nearest ZIP codes

  1. Jenneva Barrett, LCSWEl Segundo, CA 902451215337936
  2. Teresa Campbell, LCSWEl Segundo, CA 902451609901552
  3. Randie Cloutier Chaine, LCSWEl Segundo, CA 902451164863932
  4. Sally Curran, LCSWEl Segundo, CA 902451609101971
  5. Peggy Delery, LCSW-BACS, C-SSWSEl Segundo, CA 902451598710220
  6. Sarah Gibson, LCSWEl Segundo, CA 902451952934424
  7. Alison Greiner, LCSWEl Segundo, CA 902451982639308
  8. Colin LimEl Segundo, CA 902451861814121

Common questions

What is Chelsea Marie Vielhauer, MSW, LCSW's NPI number?

Chelsea Marie Vielhauer, MSW, LCSW's National Provider Identifier (NPI) is 1912682840, issued on Jun 19, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Chelsea Marie Vielhauer, MSW, LCSW located?

The NPPES record lists a practice address at 400 Continental Blvd, El Segundo, CA, 90245. Phone: (310) 648-0700. Providers update this record themselves, so call before visiting.

How can I verify Chelsea Marie Vielhauer, MSW, LCSW's license?

NPPES lists California license number LCSW114678, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.